1. HyperFrames

    HeyGen's open-source framework for rendering HTML/CSS/JS compositions to MP4, MOV, or WebM from the terminal, with agent-first authoring built in.
  2. Replit Animation

    Replit launched Replit Animation, where you vibecode viral videos in minutes with Gemini 3.1 Pro, and the announcement demo was itself produced in the tool.
  3. ffmpeg

    Command-line tools for processing video and audio files